what would cause the rpms to go up n down while driving at normal speed

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going 20 to 30 mph the rpms go up and down from 1000 to 2000 rpms . the engine does not rev up or feel like its bogging down. only thing i noticed is that the steering feels a little hard. powersteering pump is not whinning . could the pump be causing my rpms to go up n down?

texmexbetancourt in Lansing MI

Feb 26, 2016

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RepairPal Certified shops can diagnose and repair your 1999 Chevrolet Blazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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what would cause the rpms to go up n down while driving at normal speed

What is your question?

texmexbetancourt in Lansing MI

Feb 26, 2016

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Wally Jayon Mar 3, 2016

Is your transmission shifting back and forth between gears? (I doubt that the ps pump is causing it.)

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Popular Answer

What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Chevrolet Blazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.